package week3;

import java.util.Scanner;
import java.text.DecimalFormat;

public class li0305 {
    public static void main(String[] args) {
        int radius;
        double area, circumference;

        Scanner scan = new Scanner(System.in);

        System.out.print("Enter the circle's radius: ");
        radius = scan.nextInt();

        area = Math.PI * Math.pow(radius,2);
        circumference = 2 * Math.PI * radius;

        DecimalFormat fmt = new DecimalFormat("0.###");

         System.out.println("The circle's area: " + fmt.format(area));
         System.out.println("The cirlce's circumference: " + fmt.format(circumference));
    }
}
